{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["entity destination", "entity origin", "member collection", "else"], "input": "as in the popular movie `` deep impact '' , the action of the perseid meteor shower is caused by a comet , in this case periodic comet swift-tuttle ."}
{"entity destination": [], "entity origin": [], "member collection": [], "else": []}